Rizhao Banghui Purification Engineering Co., Ltd. is a joint-stock enterprise specializing in the design and installation of central oxygen supply engineering and central attraction engineering. The central oxygen supply system and central suction system designed and installed by the company are among the top in the industry. The reliability, stability, applicability, and excellent after-sales service of the product are widely recognized by hospitals. The company has many years of industry experience and provides excellent products and services.